Jessie sits next to 3 phonetic neighbors — Jesse, Jess, and Jerry are the closest matches by sound. Most share Jessie's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"God exists, gift"
"brave lion, lion-hearted"
"dark settlement (place name)"
"earth"
"one who works with books"
"son of the fortunate one"
"headland, promontory"
"river (from Celtic afon)"
"from the bent grass farmstead"
"modern invented name"
"pierces the valley"
"little ancient one"
"to light up, illuminate"
"pure (short for Catherine)"
"from the heath"
"barrel maker, cask craftsman"
"from Saint Denis"
"noble elder"
"the fox, cunning animal"
"modern invention with spiritual connotation"
"Jehovah is God"
Similar sound: These names share phonetic patterns with Jessie — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew origins, giving them the same cultural heritage as Jessie.
Rhythm: Jessie is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.